1 John 2:22

Who is the liar but he who denies that Jesus is the Christ? This is the antichrist, he who denies the Father and the Son.

2 John 1:7

For many deceivers have gone out into the world, those who do not confess that Jesus Christ came in the flesh. This is the deceiver and the antichrist.

1 John 4:3

and every spirit who does not confess Jesus is not of God; and this is that of the antichrist, of whom you have heard that it comes. Now it is in the world already.

1 John 2:18

Little children, these are the end times, and as you heard that the antichrist is coming, even now many antichrists have arisen. By this we know that it is the final hour.

John 8:44

You are of your father, the devil, and you want to do the desires of your father. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he speaks a lie, he speaks on his own; for he is a liar, and its father.

1 Corinthians 12:2-3

You know that when you were heathen, you were led away to those mute idols, however you might be led.

1 John 1:6

If we say that we have fellowship with him and walk in the darkness, we lie, and do not tell the truth.

1 John 2:4

One who says, "I know him," and does not keep his commandments, is a liar, and the truth is not in him.

1 John 2:23

Whoever denies the Son, the same does not have the Father. He who confesses the Son has the Father also.

1 John 4:20

If a man says, "I love God," and hates his brother, he is a liar; for he who does not love his brother whom he has seen, cannot love God whom he has not seen.

Jude 1:4

For there are certain men who crept in secretly, even those who were long ago written about for this condemnation: ungodly men, turning the grace of our God into lasciviousness, and denying our only Master and Lord, Jesus Christ.

Revelation 3:9

Behold, I give of the synagogue of Satan, of those who say they are Jews, and they are not, but lie. Behold, I will make them to come and worship before your feet, and to know that I have loved you.

Treasury of Scripture Knowledge

Summary

Who is a liar but he that denieth that Jesus is the Christ? He is antichrist, that denieth the Father and the Son.

He is

Bible References

Who

1 John 2:4
One who says, "I know him," and does not keep his commandments, is a liar, and the truth is not in him.
1 John 1:6
If we say that we have fellowship with him and walk in the darkness, we lie, and do not tell the truth.
1 John 4:20
If a man says, "I love God," and hates his brother, he is a liar; for he who does not love his brother whom he has seen, cannot love God whom he has not seen.
John 8:44
You are of your father, the devil, and you want to do the desires of your father. He was a murderer from the beginning, and does not stand in the truth, because there is no truth in him. When he speaks a lie, he speaks on his own; for he is a liar, and its father.
Revelation 3:9
Behold, I give of the synagogue of Satan, of those who say they are Jews, and they are not, but lie. Behold, I will make them to come and worship before your feet, and to know that I have loved you.

He that

1 John 2:23
Whoever denies the Son, the same does not have the Father. He who confesses the Son has the Father also.
1 John 4:3
and every spirit who does not confess Jesus is not of God; and this is that of the antichrist, of whom you have heard that it comes. Now it is in the world already.
1 Corinthians 12:2
You know that when you were heathen, you were led away to those mute idols, however you might be led.
2 John 1:7
For many deceivers have gone out into the world, those who do not confess that Jesus Christ came in the flesh. This is the deceiver and the antichrist.
Jude 1:4
For there are certain men who crept in secretly, even those who were long ago written about for this condemnation: ungodly men, turning the grace of our God into lasciviousness, and denying our only Master and Lord, Jesus Christ.

He is

1 John 2:18
Little children, these are the end times, and as you heard that the antichrist is coming, even now many antichrists have arisen. By this we know that it is the final hour.